<!-- 
if (navigator.appVersion.indexOf("2.") != -1){
check = false;
}
if ((navigator.appVersion.indexOf("3.") != -1) && (navigator.appName.indexOf("Explorer") != -1)){
check = false;
}
else {
check = true;
}
if (check == true){




image1 = new Image();
image1.src = "i/but_ueber_uns.gif";

image1on = new Image();
image1on.src = "i/but_ueber_on.gif";

image1stay = new Image();
image1stay.src = "i/but_ueber_on.gif";



image2 = new Image();
image2.src = "i/but_proj.gif";

image2on = new Image();
image2on.src = "i/but_proj_on.gif";

image2stay = new Image();
image2stay.src = "i/but_proj_on.gif";


image3 = new Image();
image3.src = "i/but_kontakt.gif";

image3on = new Image();
image3on.src = "i/but_kontakt_on.gif";

image3stay = new Image();
image3stay.src = "i/but_kontakt_on.gif";





image21 = new Image();
image21.src = "i/but2_proj_akt.gif";

image21on = new Image();
image21on.src = "i/but2_proj_akt_on.gif";

image21stay = new Image();
image21stay.src = "i/but2_proj_akt_on.gif";


image22 = new Image();
image22.src = "i/but2_proj_vergang.gif";

image22on = new Image();
image22on.src = "i/but2_proj_vergang_on.gif";

image22stay = new Image();
image22stay.src = "i/but2_proj_vergang_on.gif";

}

imageStay = ""

function imageon(name){
if (imageStay != name){
document[name].src = eval(name + "on.src");
}
}
function imageoff(name){
if (imageStay != name){
document[name].src = eval(name + ".src");
}
}

function on(name){
if (check == true){
imageon(name);
}
}
function off(name){
if (check == true){
imageoff(name);
}
}

function stay(name){
if (check == true){
document[name].src = eval(name + "stay.src");
if (imageStay != name){
if (imageStay != ""){
document[imageStay].src = eval(imageStay + ".src");
}
}
imageStay = name
}
}
// -->